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| author | Ulrich Drepper <drepper@redhat.com> | 2004-03-27 03:40:33 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-27 03:40:33 +0000 |
| commit | eec8b6cae586451deadf30c371f7b5e4c9d573d1 (patch) | |
| tree | b005437b5b7d69778e06694e4bd836a3e7c42f6a /elf/dl-load.c | |
| parent | 17c263876bf38178d3a4ba720bf81d7a214bba51 (diff) | |
| download | glibc-eec8b6cae586451deadf30c371f7b5e4c9d573d1.tar glibc-eec8b6cae586451deadf30c371f7b5e4c9d573d1.tar.gz glibc-eec8b6cae586451deadf30c371f7b5e4c9d573d1.tar.bz2 glibc-eec8b6cae586451deadf30c371f7b5e4c9d573d1.zip | |
Update.
2004-03-26 Ulrich Drepper <drepper@redhat.com>
* elf/dl-caller.c: New file.
* include/caller.h: New file.
* Makefile (distribute): Add include/caller.h.
* elf/Makefile (dl-routines): Add dl-caller.
* elf/dl-load.c (_dl_map_object_from_fd): Record l_text_end.
* elf/dl-open.c (check_libc_caller): Removed.
(dl_open_worker): Use __check_caller instead.
* elf/rtld.c (_rtld_global_ro): Initialize _dl_check_caller.
(_dl_start_final): Record l_text_end for ld.so map.
(dl_main): Record l_text_end for main object and vdso.
* include/link.h (struct link_map): Add l_text_end field.
* sysdeps/generic/ldsodefs.h (struct rtld_global_ro): Add
_dl_check_caller field.
Define enum allowmask. Add declaration of _dl_check_caller.
* sysdeps/unix/sysv/linux/dl-execstack.c: Also use __check_caller test.
Diffstat (limited to 'elf/dl-load.c')
| -rw-r--r-- | elf/dl-load.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index 1a3c9c5ed9..162fb30af3 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -1110,7 +1110,7 @@ cannot allocate TLS data structures for initial thread"); unallocated. Then jump into the normal segment-mapping loop to handle the portion of the segment past the end of the file mapping. */ - __mprotect ((caddr_t) (l->l_addr + c->mapend), + __mprotect ((caddr_t) l->l_text_end, loadcmds[nloadcmds - 1].allocend - c->mapend, PROT_NONE); @@ -1146,6 +1146,9 @@ cannot allocate TLS data structures for initial thread"); goto map_error; postmap: + if (c->prot & PROT_EXEC) + l->l_text_end = l->l_addr + c->mapend; + if (l->l_phdr == 0 && (ElfW(Off)) c->mapoff <= header->e_phoff && ((size_t) (c->mapend - c->mapstart + c->mapoff) |